<li class="message-item ${message.msgType.name().toLowerCase()}">
    <@user user=message.sender/>
    <div class="message">
        在你的 ${message.sourceType.simpleName}
        <#assign sourceObject = message.source>
        <#include "/freemarker/message/source_object_${message.sourceType.name}.ftl">
        上发表了评论
        '<#if (message.content?length > 6)>${message.content?substring(0, 6)}...<#else>${message.content}</#if>'
    </div>
</li>